106 SECTION 35 - HYDRAULIC SYSTEM
Use the wrench 380000725 to loose the trunnion
(10).
If necessary gently heat the gland carrier to soften
the thread sealant applied during manufacture.
Remove the rod assy with the trunnion and the pis-
ton assy.
Unscrew and remove the piston lock (16). Disas-
sembly the cylinder rod (3) and piston assy (15) and
the trunnion (10) complete with gaskets.
Check the bushings (8) status.
Only if necessary:
Z remove the wiper ring (4), the seal rings (5) and (6),
the guide bush (7) and the back-up ring (12) with
the O-ring (11) from the king pin (10).
Z remove the piston seal (13) and the piston guide
ring (14) from the piston (15).
ASSEMBLY AND INSTALLATION
Reassembly follows the disassembly procedure in
reverse whilst observing the following:
1. Tighten the piston lock retaining to a torque of
1400 - 1540 Nm.
2. Tighten swing cylinder plate retaining screws to
a torque of 607 Nm.
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